a late
night smoke session, specifically with the intent of going to bed immediately following said session.
to
smoke by yourself right before bed, using the session as a sleep aid. (potheads swear by it)
can be a personal session, (by yourself) or a social session (with
friends)
"I
think imma save half this L for a nightcap."
"Yo, I'm bout to go 2
bed but i got a
bowl of that gooood packed up, you should come thru for a nightcap."